Index: firmware/App/Controllers/DGInterface.h
===================================================================
diff -u -r2df21d2472a8d79d78af7e359518acf3614accc5 -r47a7da55aea88cd7a2b06870226122d0cc8be540
--- firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
+++ firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 47a7da55aea88cd7a2b06870226122d0cc8be540)
@@ -31,6 +31,9 @@
 
 // ********** public definitions **********
 
+#define DRAIN_RESERVOIR_TO_VOLUME_ML        200 //100                 ///< Drain reservoir to this volume (in mL) during treatment.
+#define FILL_RESERVOIR_TO_VOLUME_ML         1700                ///< Fill reservoir to this volume (in mL) during treatment.
+
 /// Enumeration of DG reservoirs.
 typedef enum DG_Reservoirs
 {